6.11 PROHIBITED (SKIP) FREQUENCY
Cn-16 to -19
When an operation is required to avoid mechanical resonance frequency, the setting prohibited frequency
function is effective.
Setting prohibited frequency is set in Cn-16 to -18 in units of 0.1Hz.
Setting prohibited frequency width is set to Cn-19 in units of 0.1Hz.
Cn-18
Cn-17
Cn-19 Cn-19
Cn-16
Note: Ineffective when
set value is 0.0Hz.
INTERNAL
FREQUENCY
REFERENCE
0
SET FREQUENCY
REF
(Example) 30Hz ± 0.5Hz setting is prohibited.
Keypad Operation
Digital Operator Display
Remarks
Displayed for 0.5
second. Confirm the
display for each
constant.
Initial value 1.0Hz
Displayed for 0.5
second. Confirm the
display for each
constant.
DSPL
RESET
DATA
ENTER
DATA
ENTER
DSPL
DATA
ENTER
-
.
-
.
.
.
RESET
DATA
ENTER
─
─
44
Operation avoiding mechanical resonance points in HVAC systems
are required.
Application Example